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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG804642988

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804642988

Diamond specifications and retailer prices

From €179 EUR
$200 USD
As of November 1, 2026
Save €860 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,039 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG804642988 or 804642988. Listed at 16 retailers as of November 1, 2026, with prices from €179 to €1,039, a €860 spread on the same certified stone. MOH London lists it at €1,039. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804642988
Dimensions7.45 × 7.38 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.38 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804642988
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,039 EUR|Low: €179 EUR|High: €1,052 EUR|Avg: €505 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€179 EUR
Retailer 9€222 EUR
Retailer 4€370 EUR
Retailer 10€386 EUR
Retailer 3€404 EUR
Retailer 2€406 EUR
Retailer 11€451 EUR
Retailer 6€572 EUR
Retailer 5€644 EUR
Retailer 8€761 EUR
MOH London€1,039 EUR

40 data points across 11 retailers

16 retailers€179 EUR to €1,039 EUR

A
Cheapest Retailer
-
€179 EUR
$200 USD
A
Retailer 2
-
€208 EUR
$232 USD
View
Retailer 3
-
€222 EUR
$248 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€222 EUR
$248 USD
View
A
Retailer 5
-
€370 EUR
View
B+
Retailer 6
-
€386 EUR
$431 USD
View
A
Retailer 7
-
€404 EUR
$451 USD
View
A
Retailer 8
-
€406 EUR
£357 GBP
View
B+
Retailer 9
-
€451 EUR
$504 USD
View
B+
Retailer 10
-
€572 EUR
$639 USD
View
B
Retailer 11
-
€640 EUR
$715 USD
View
Retailer 12
-
€644 EUR
$720 USD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
€714 EUR
$798 USD
View
B
Retailer 14
-
€761 EUR
$850 USD
View
B
Retailer 15
-
€762 EUR
$851 USD
View
Most Expensive
B
MOH London
LG804642988 · Nov 1
€1,039 EUR
£914 GBP
View
15 more retailers have this diamond
Prices start from €179 EURSave up to €860 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Round
€179 EUR